5-9. VALVES MAINTENANCE INSTRUCTIONS - Continued
Slight scoring of the valve (2 and 9) faces may be
removed by grind valves with the valve face grind-
ing machine. Adhere to the dimensional limits
shown in the diagram.
If wear of valve stems and the valve guide bore
exceeds the 0.0059 in. (0.15 mm) dimension, re-
place both the valve and the valve guide (14).
Replace the valve guide (14) as follows:
Press the worn valve guide from the cylinder
head using an arbor press and a pressing rod
(10.0 mm dia. rod with 7.00 mm piIot on end).
C A U T I O N
When installing a replacement valve
guide, ensure that the valve guide is
aligned square with the bore of the cyl-
inder head. Damage to the cylinder
head and the valve guide may occur if
installed at even a slight angle.
Install replacement valve guide in cylinder
head using an arbor press and a pressing
rod. Valve guide is installed with the stepped
shoulder up. Press guides until bottom is
flush with face of casting in the inlet and out-
Install the intake valve (9) as follows:
Install two washers (13), over the intake valve
Install valve seal (12) on end of intake valve
Install the intake valve (9), carefully feeding
stem through the valve seal (12).